 /*******************************************************************************
  * Copyright (c) 2003, 2005 IBM Corporation and others.
  * All rights reserved. This program and the accompanying materials
  * are made available under the terms of the Eclipse Public License v1.0
  * which accompanies this distribution, and is available at
  * http://www.eclipse.org/legal/epl-v10.html
  *
  * Contributors:
  * IBM Corporation - initial API and implementation
  *******************************************************************************/
 package org.eclipse.core.internal.plugins;

 import org.eclipse.core.internal.runtime.CompatibilityHelper;
 import org.eclipse.core.internal.runtime.InternalPlatform;
 import org.eclipse.core.runtime.IPluginDescriptor;
 import org.eclipse.core.runtime.Platform;
 import org.osgi.framework.BundleActivator;
 import org.osgi.framework.BundleContext;

 public class CompatibilityActivator implements BundleActivator {
     public void start(BundleContext context) throws Exception {
         IPluginDescriptor descriptor = CompatibilityHelper.getPluginDescriptor(Platform.PI_RUNTIME);
         CompatibilityHelper.setPlugin(descriptor, InternalPlatform.getDefault().getRuntimeInstance());
         CompatibilityHelper.setActive(descriptor);
     }

     public void stop(BundleContext context) throws Exception {
         IPluginDescriptor descriptor = CompatibilityHelper.getPluginDescriptor(Platform.PI_RUNTIME);
         CompatibilityHelper.setPlugin(descriptor, null);
         ((PluginRegistry) org.eclipse.core.internal.plugins.InternalPlatform.getPluginRegistry()).close();
         CompatibilityHelper.nullCompatibility();
     }

 }

